调出选择界面:
- Intent intent = new Intent(Intent.ActionGetContent);
- intent.AddCategory(Intent.CategoryOpenable);
- intent.SetType("file/*");
- StartActivityForResult(Intent.CreateChooser(intent, "选择备份文件"), 20);
接收选择结果:
- protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
- {
- if (requestCode == 20)
- {
- var uri = data.Data as Android.Net.Uri;
- var filepath = uri.Path;
- }
- base.OnActivityResult(requestCode, resultCode, data);
- }
来源: http://www.bubuko.com/infodetail-2648944.html